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The resistance of one resistor in a parallel circuit is 3 ohms greater than that of the second resistor in the circuit. Find the resistance of each resistor if the resistance of the circuit is 5.14 ohms.

Added Thu, 30 Jul '15

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x

x+3

Eq res = x(x+3) / ( x + x+ 3)

=> x(x+3) / ( 2x + 3) = 5.14

=> x^2 + 3x = 10.28 x + 15.42

=> x^2 -7.28x - 15.42 = 0

=> x= -1.71 , 8.9944

x>0

So

x = 8.9944 ohm

x+3 = 11.9944 Ohm

Added Thu, 30 Jul '15

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